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ACSL3 regulates breast cancer progression via lipid metabolism reprogramming and the YES1/YAP axis

Cancer Biology & Medicine 2024年第7期21卷 606-635页

作者： Shirong Tan Xiangyu sun Haoran Dong Mozhi Wang Litong Yao Mengshen Wang ling Xu Yingying Xu Department of Breast Surgery The First Affliated Hospital of China Medical UniversityShenyang 110000China Department of Thyroid and Breast Surgery Affiliated Hospital of Xuzhou Medical UniversityXuzhou 221000China Department of Medical Oncology The First Hospital of China Medical UniversityShenyang 110000China

Objective:Mitochondrial fatty acid oxidation is a metabolic pathway whose dysregulation is recognized as a critical factor in various cancers,because it sustains cancer cell survival,proliferation,and *** acyl-Co A synthetase long-chain(ACSL)family is known to activate long-chain fatty acids,yet the specific role of ACSL3 in breast cancer has not been ***:We assessed the prognostic value of ACSL3 in breast cancer by using data from tumor ***-of-function and lossof-function assays were also conducted to determine the roles and downstream regulatory mechanisms of ACSL3 in vitro and in ***:ACSL3 expression was notably downregulated in breast cancer tissues compared with normal tissues,and this phenotype correlated with improved survival *** experiments revealed that ACSL3 knockdown in breast cancer cells promoted cell proliferation,migration,and epithelial±mesenchymal ***,ACSL3 was found to inhibitβ-oxidation and the formation of associated byproducts,thereby suppressing malignant behavior in breast ***,ACSL3 was found to interact with YES proto-oncogene 1,a member of the Src family of tyrosine kinases,and to suppress its activation through phosphorylation at *** decrease in activated YES1 consequently inhibited YAP1 nuclear colocalization and transcriptional complex formation,and the expression of its downstream genes in breast cancer cell ***:ACSL3 suppresses breast cancer progression by impeding lipid metabolism reprogramming,and inhibiting malignant behaviors through phospho-YES1 mediated inhibition of YAP1 and its downstream *** findings suggest that ACSL3 may serve as a potential biomarker and target for comprehensive therapeutic strategies for breast cancer.

关键词： Breast cancer lipid metabolism ACSL3 YAP metastasis

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Genome-wide CRISPR screening reveals key genes and pathways associated with 20-hydroxyecdysone signal transduction in the silkworm(Bombyx mori)

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Insect Science 2024年第1期31卷 47-58页

作者： Hao sun Jingya Chen Ruolin Wang Dan Liu Na Zhang Tong Zhang ling Jia Sanyuan Ma Qingyou Xia State Key Laboratory of Silkworm Genome Biology Southwest UniversityChongqingChina Biological Science Research Center Southwest UniversityChongqingChina

Metamorphosis is a complex developmental process involving multiple pathways and a large number of genes that are regulated by juvenile hormone(JH)and 20-hydroxyecdysone(20E).Despite important progress in understanding various aspects of silkworm biology,the hormone signaling pathway in the silkworm remains poorly ***-wide screening using clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein 9(Cas9)-based libraries has recently emerged as a novel method for analyzing genome function,enabling further research into essential genes,drug targets,and virus-host ***,we constructed a genome-wide CRISPR/Cas9-based library of the silkworm(Bombyx mori)and successfully revealed the genes involved in biotic or abiotic stress factor *** this study,we used our silkworm CRISPR library and large-scale genome-wide screening to analyze the key genes in the silkworm 20E signaling pathway and their mechanisms of *** annotation showed that 20E regulates key proteins in processes that mainly occur in the cytoplasm and *** enrichment analysis showed that 20E can activate phosphorylation and may affect innate immunity,interfere with intracellular nutrition and energy metabolism,and eventually cause cell *** screening results were experimentally validated by generating cells with knockout alleles of the relevant genes,which had increased tolerance to *** findings provide a panoramic overview of signaling in response to 20E in the silkworm,underscoring the utility of genome-wide CRISPR mutant libraries in deciphering hormone signaling pathways and the mechanisms that regulate metamorphosis in insects.

关键词： CRISPR/Cas9 CRISPR library screening ecdysone 20E signal transduction silkworm whole genome editing

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Hexafluoropropylene oxide trimer acid,a perfluorooctanoic acid alternative,induces cardiovascular toxicity in zebrafish embryos

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Journal of Environmental Sciences 2024年第5期139卷 460-472页

作者： Sujie sun Li Zhang Xue Li Lu Zang ling Huang Junquan Zeng Zigang Cao Xinjun Liao Zilin Zhong Huiqiang Lu Jianjun Chen Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases Jiangxi Key Laboratory of Developmental Biology of OrgansCenter for Clinical Research Center of the Affiliated Hospital of Jinggangshan UniversityJi’an 343009China Translational Research Institute of Brain and Brain-like Intelligence Shanghai Key Laboratory of Anesthesiology and Brain Functional ModulationDepartment of PediatricsShanghai Fourth People’s HospitalSchool of MedicineTongji UniversityShanghai 200434China State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants School of Environmental Sciences and EngineeringShanghai Jiao Tong UniversityShanghai 200240China Department of Interventional and Vascular Surgery Affiliated Hospital of Jinggangshan UniversityJi’an 343009China Department of Internal Medicine and Hematology Affiliated Hospital of Jinggangshan UniversityJi’an 343009China

As an increasingly used alternative to perfluorooctanoic acid(PFOA),hexafluoropropylene oxide trimer acid(HFPO-TA)has been widely detected in global water ***,little is known regarding its toxic effects on cardiovascular ***,zebrafish embryos were treated with egg water containing 0,60,120,or 240 mg/L *** showed that HFPO-TA treatment led to a significant reduction in both larval survival percentage and heart ***,HFPO-TA exposure caused severe pericardial edema and elongation of the sinus venous to bulbus arteriosus distance(SV-BA)in Tg(myl7:GFP)transgenic larvae,disrupting the expression of genes involved in heart development and thus causing abnormal heart *** sprouting angiogenesis was observed in the 120 and 240 mg/L exposed Tg(fli:GFP)transgenic ***-TA treatment also impacted the mRNA levels of genes involved in the vascular endothelial growth factor(VEGF)pathway and embryonic vascular ***-TA exposure significantly decreased erythrocyte number in Tg(gata1:DsRed)transgenic embryos and influenced gene expression associated with the heme metabolism ***-TA also induced oxidative stress and altered the transcriptional levels of genes related to cell cycle and apoptosis,inhibiting cell proliferation while promoting ***,HFPO-TA exposure may induce abnormal development of the cardiovascular and hematopoietic systems in zebrafish embryos,suggesting it may not be a suitable or safe alternative for PFOA.

关键词： Hexafluoropropylene oxide trimer acid Heart development Vascular development Hemopoiesis Zebrafish embryos

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Non-invasive Healthcare Analytical Platform Based on Organic Electrochemical Transistors

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CHEMICAL RESEARCH IN CHINESE UNIVERSITIES 2024年第5期40卷 824-841页

作者： Hu, Xingyu Mao, Ning Yan, Xinwen Huang, ling Liu, Xu Yang, Huige sun, Qingqing Liu, Xuying Jia, Hanyu Zhengzhou Univ Sch Mat & Engn Zhengzhou 450001 Peoples R China Longmen Lab Sci & Technol Innovat Ctr Adv Mat Intelligent Equi Luoyang 471000 Peoples R China South Cent Univ Nationalities Hubei R&D Ctr Hyperbranched Polymers Synth & Appli Key Lab Catalysis & Energy Mat Chem Minist Educ Wuhan 430074 Peoples R China South Cent Univ Nationalities Hubei R&D Ctr Hyperbranched Polymers Synth & Appli Hubei Key Lab Catalysis & Mat Sci Wuhan 430074 Peoples R China

Non-invasive bioelectronics, especially organic electrochemical transistors (OECTs), have drawn extensive attentions of academical and medical communities by virtue of their efficient bio-electronic interfacing, water-involved ionic transport, excellent ionic-electronic coupling, ultralow power consumption, wide detectable range, and outstanding detection sensitivity. Designable structure diversity, low-temperature solution processability, facile bio/chemical functionalization, and excellent biocompatibility of organic mixed ionic-electronic conductors (OMIECs) render OECTs particularly suitable for non-invasive or minimally invasive healthcare analytical platform. Here, we comprehensively review recent advances of the non-invasive analytical healthcare applications based on OECTs, especially on the detection of biomarkers or metabolites in the excretory biofluids, as well as the recording of electrophysiological signals. A brief introduction of OECT and its comparison with other organic thin-film transistors upon device configuration and working mechanism are firstly discussed. State-of-the-art non-invasive OECT-based biosensors are summarized on their detection of ionic and molecular biomarkers, following with circuit design strategies of OECTs for real-time and in-situ electrophysiological recording from skin surface. In conclusion, remaining barriers and future challenges of non-invasive OECT-based bioelectronics towards lower detection limit, more accurate quantitative relationship between analyte concentrations and measured parameters, more intimate device-tissue interface, and long-term operation stability are deeply analyzed with a critical outlook.

关键词： Organic electrochemical transistor Non-invasive Bioelectronics Ion-selective Electrophysiological monitoring SENSITIVITY ION DETECTION

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Ambient electrosynthesis of urea from carbon dioxide and nitrate over Mo_(2)C nanosheet

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Chinese Chemical Letters 2024年第8期35卷 319-323页

作者： Yue Zhang Xiaoya Fan Xun He Tingyu Yan Yongchao Yao Dongdong Zheng Jingxiang Zhao Qinghai cai Qian Liu Luming Li Wei Chu Shengjun sun Xuping sun College of Chemistry and Chemical Engineering and Key Laboratory of Photonic and Electronic Bandgap MaterialsMinistry of EducationHarbin Normal UniversityHarbin 150025China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Institute for Advanced Study Chengdu UniversityChengdu 610106China College of Chemistry Chemical Engineering and Materials ScienceShandong Normal UniversityJi’nan 250014China

Electrocatalytic synthesis of urea through C-N bond formation,converting carbon dioxide(CO_(2))and ni-trate(NO_(3)^(-)),presents a promising,less energy-intensive alternative to industrial urea production *** this communication,we report the application of Mo_(2)C nanosheets-decorated carbon sheets(Mo_(2)C/C)as a highly efficient electrocatalyst for facilitating C-N coupling in ambient urea *** CO_(2)-saturated 0.2 mol/L Na_(2)SO_(4)solution containing 0.05 mol/L NO_(3)^(-),the Mo_(2)C/C catalyst achieves an impres-sive urea yield of 579.13μg h^(-1)mg^(-1)with high Faradaic efficiency of 44.80%at-0.5 V versus the reversible hydrogen *** theoretical calculations reveal that the multiple Mo active sites enhance the formation of^(∗)CO and^(∗)NH_(2)intermediates and facilitate their C-N *** research propels the use of Mo_(2)C-based electrodes in electrocatalysis and accentuates the capabilities of binary metal-based catalysts in C-N coupling reactions.

关键词： Mo_(2)C Multiple active sites C-N coupling Electrocatalysis Urea synthesis Density functional theory calculation

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Establishment of a system for screening and identification of novel bactericide targets in the plant pathogenic bacterium Xanthomonas oryzae pv. oryzae using Tn-seq and SPR

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Journal of Integrative Agriculture 2024年第5期23卷 1580-1592页

作者： Chaoyue Pang ling Jin Haoyu Zang Damalk Saint-Claire SKoklannou Jiazhi sun Jiawei Yang Yongxing Wang Liang Xu Chunyan Gu Yang sun Xing Chen Yu Chen School of Plant Protection Anhui Agricultural UniversityHefei 230036China Institute of Plant Protection and Agro-Products Safety Anhui Academy of Agricultural SciencesHefei 230031China Anhui Province Laboratory for Green Pesticide Development and Application School of Plant ProtectionAnhui Agricultural UniversityHefei230036China Hefei Research Center State Key Laboratory for Biology of Plant Diseases and Insect PestsHefei 230036China Key Laboratory of Integrated Crop Pest Management of Anhui Province School of Plant ProtectionAnhui Agricultural University Hefei230036China Shandong Vicome Greenland Chemical Co. Ltd.Jinan 250204China

Xanthomonas spp. cause severe bacterial diseases. However, effective strategies for prevention and management of these diseases are scarce. Thus, it is necessary to improve the efficiency of control of diseases caused by Xanthomonas. In this study, Xanthomonas oryzae pv. oryzae(Xoo), which causes rice bacterial leaf blight, has been studied as a representative. A transposon insertion library of Xoo, comprising approximately 200,000 individual insertion mutants, was generated. Transposon sequencing data indicated that the mariner C9 transposase mapped at 35.7–36.4% of all potential insertion sites, revealing 491 essential genes required for the growth of Xoo in rich media. The results show that, compared to the functions of essential genes of other bacteria, the functions of some essential genes of Xoo are unknown, 25 genes might be dangerous for the Xanthomonas group, and 3 are specific to Xanthomonas. High-priority candidates for developing broad-spectrum, Xanthomonas-specific, and environment-friendly bactericides were identified in this study. In addition, this study revealed the possible targets of dioctyldiethylenetriamine using surface plasmon resonance(SPR) in combination with high performance liquid chromatography–mass spectrometry(HPLC–MS). The study also provided references for the research of some certain bactericides with unknown anti-bacterial mode of action. In conclusion, this study urged a better understanding of Xanthomonas,provided meaningful data for the management of bacterial leaf blight, and disclosed selected targets of a novel bactericide.

关键词： rice bacterial leaf blight Xanthomonas essential genes Tn-seq dioctyldiethylenetriamine

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High-Performanceα-Diimine Nickel Complexes for Facile Access of PE Elastomers with Exceptional Material Properties

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Chinese Journal of Polymer Science 2024年第5期42卷 620-635,I0008页

作者： Li-Dong Qin Xin-Yu Wang Qaiser Mahmood Zhi-Xin Yu Yi-Zhou Wang Song Zou Tong-ling Liang Wen-Hua sun School of Pharmaceutical Sciences Changchun University of Chinese MedicineChangchun130117China Chemistry and Chemical Engineering Guangdong Laboratory Shantou515031China Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Science Institute of ChemistryChinese Academy of SciencesBeijing100190China

For practicable elastomeric polyethylene,achieving high catalyst thermal stability and activity,along with precise control of polymer properties such as branching density,molecular weights,and distribution,is crucial but *** this study,two sets of symmetricalα-diimine nickel complexes,each comprising four nickel bromide or chloride complexes,were synthesized and investigated their performance for ethylene polymerization under various reaction *** activation with either Et2AlCl or MMAO cocatalysts,these complexes displayed not only high activity but also generated high molecular weight polyethylenes with controlled polydispersity and a substantial number of *** catalyst with the least steric hindrance displayed the remarkable high activity(up to 1.2×10^(7) g·mol^(-1)·h^(-1)).Notably,nickel bromides demonstrated higher activity compared to their chloride *** investigation into the effect of reaction temperature on catalytic performance revealed that NiBrMe-MMAO system displayed high thermal stability(activity up to 2.51×10^(6) g·mol^(-1)·h^(-1) at 100℃)and consistently yielded high polymer molecular weights with narrow polydispersity over a broad temperature range of 30-100℃.Of significant note,mechanical analysis of the resulting polyethylene demonstrated excellent ultimate tensile strength and high strain at ***,the polyethylene sample prepared at 100℃exhibited ultimate tensile strength up to 10 MPa with 1863%maximum strain at break and a strain recovery of up to 54.9%after ten cycles at a fixed strain of 300%,indicating excellent material properties of prepared thermoplastic polyethylene elastomers(TPE).

关键词： Thermoplastic polyethylene elastomers α-Diimine nickel pre-catalysts Ethylene polymerization Mechanical properties Highly branched polyethylene

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Fast detection of the early decay in oranges using visible-LED structuredillumination imaging combined with spiral phase transform and feature-based classification model

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International Journal of Agricultural and Biological Engineering 2024年第3期17卷 185-192,F0003页

作者： Zhonglei cai Chanjun sun Yizhi Zhang Ruiyao Shi Junyi Zhang Hailiang Zhang Jiangbo Li College of Mechanical and Electrical Engineering Shihezi UniversityShihezi 832003XinjiangChina Jiangsu Province and Education Ministry Co-sponsored Synergistic Innovation Center of Modern Agricultural Equipment Jiangsu UniversityZhenjiang 212013JiangsuChina Intelligent Equipment Research Center Beijing Academy of Agriculture and Forestry SciencesBeijing100097China College of Electrical and Automation Engineering East China Jiaotong UniversityNanchang 330013China National Engineering Research Center for Information Technology in Agriculture Beijing 100089China

The early decay of citrus can cause economic and serious food safety *** early decayed area has no obvious visual characteristics,making effective detection of this damage very difficult for the citrus *** study constructed a new detection system based on visible-light emitting diode(LED)structured-illumination imaging and proposed an effective methodology combined with a spiral phase transform(SPT)algorithm for the early detection of decayed *** sample obtained three phase-shifting pattern images with phase shifts of−2π/3,0,and 2π/3 at a spatial frequency of 0.25 cycles/*** strategies(i.e.,the conventional three-phase-shifting method,2-phase SPT,and 1-phase SPT)were used to demodulate the original patterned images to recover the direct component(DC)and amplitude component(AC)*** partial least squares discriminant analysis(PLS-DA)and least squares support vector machine(LS-SVM)classification models were established based on the texture features of DC,AC,and RT(*** ratio of AC to DC)***,the random frog(RF)algorithm was used to simplify the optimal full-featured ***,the LS-SVM model constructed using 7 texture features from the RT image obtained an average classification accuracy of 95.1%for all tested *** study indicates that the proposed structured-illumination imaging technique combined with 2-phase SPT and feature-based classification model can achieve the fast identification of early decayed oranges.

关键词： oranges early decay detection structured-illumination imaging spiral phase transform classification model

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MAD2L2 overexpression attenuates the effects of TNF-α-induced migration and invasion capabilities in colorectal cancer cells

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BIOCELL 2024年第9期48卷 1311-1322页

作者： HAOTONG sun HEYING WANG YANJIE HAO XIN LI JUN ling HUAN WANG FEIMIAO WANG FANG XU School of Basic Medicine Medical Genetics and Cell BiologyNingxia Medical UniversityYinchuan750004China Key Laboratory of Reproduction and Genetics Ningxia Medical UniversityYinchuan750004China

Background:Colorectal cancer is a major global health concern,exacerbated by tumor necrosis factor-alpha(TNF-α)and its role in inflammation,with the effects of Mitotic Arrest Deficient 2 Like 2(MAD2L2)in this context still ***:The colorectal carcinoma cell lines HCT116 and SW620 were exposed to TNF-αfor a period of 24 h to instigate an inflammatory *** assessments were conducted to measure the expression of inflammatory cytokines,the activity within the p38 mitogen-activated protein kinase(p38 MAPK)and Phosphoinositide 3-Kinase/AKT Serine/Threonine Kinase pathway(PI3K/AKT)signaling *** sequencing and subsequent integrative analysis with the Cancer Genome Atlas(TCGA)program database revealed a significant downregulation of the key factor *** of MAD2L2 expression was facilitated via lentiviral vector-mediated *** influence of this overexpression on TNF-α-prompted inflammation,intracellular signaling pathways,and the migratory and invasive behaviors of the colorectal cancer cells was then ***:TNF-αtreatment significantly increased the expression of Interleukin-1 beta(IL-1β)and Interleukin-6(IL-6),activated the MAPK p38 and PI3K/AKT signaling pathways,and enhanced cell migration and invasion.A decrease in MAD2L2 expression was observed following TNF-α***,overexpression of MAD2L2 reversed the effects of TNF-α,reducing IL-1βand IL-6 levels,attenuating PI3K/AKT pathway activation,and inhibiting cell migration and ***:Overexpression of MAD2L2 attenuates the pro-inflammatory effects of TNF-α,suggesting that MAD2L2 plays a protective role against TNF-α-induced migration and invasion of colorectal carcinoma ***,MAD2L2 holds potential as a therapeutic target in the treatment of colorectal cancer.

关键词： Colorectal cancer TNF-α MAD2L2 Migration Invasion

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D-band center coordination modulated enzyme-like activity in Fe-Cu dual-metal single-atom nanozymes

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Nano Research 2024年第7期17卷 5872-5883页

作者： ling Liu Shaofang Zhang Guo Li Yadong Zhe Jiamin Liu Xinxu Zhang Jiahao Wei Xin sun Yonghui Li Xiao-Dong Zhang Tianjin Key Laboratory of Brain Science and Neural Engineering Academy of Medical Engineering and Translational MedicineTianjin UniversityTianjin 300072China Department of Physics and Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology School of SciencesTianjin UniversityTianjin 300350China

After explorations in a diversity of single-atom nanozymes(SAzymes),developing dual-centered SAzymes becomes a promising approach for superior catalytic *** confusing mechanisms including atomic coordination,spatial configuration,and metal–metal atom interaction hinder the development and design of ***,a dual-centered Fe-Cu-N_(x)SAzyme exhibits excellent peroxidase(POD)-and catalase(CAT)-like activities with d-band center(ε_(d))coordination of Fe and Cu in multiple reaction stages,which plays a critical role in the adsorption of H_(2)O_(2)molecule and H_(2)O and O_(2)***,the dband center coordination,which can be represented byε_(d)(Fe)–ε_(d)(Cu)shifts,leads to the competition between one-side and bilateral adsorption,which determines the favorable reaction path with lower energy *** on experimental statistics,simulated formation energies,and reaction barriers,3 configurations,Fe-Cu-N6-I,Fe-Cu-N_(8)-II,and Fe-Cu-N_(8)-III,are modeled and ***,configuration-dependent catalytic selectivity and the competition between one-side and bilateral adsorption can be unveiled by d-band center coordination paradigm *** simulations suggest that the unsymmetrical charge distribution over the three Fe-Cu configurations could tune the adsorption strength compared with the counterparts FeN_(4)and CuN_(4).The present work provides a potential route for optimizing enzyme-like catalysis by designing the dual-or even triple-metal SAzymes,which demonstrates the large space to modulate the metal atomic configuration and interaction.

关键词： single-atom catalysis Fe-Cu dual-metal d-band center coordination enzyme mimicking competitive adsorption mechanisms

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